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44400143031 = 3144710228091
BaseRepresentation
bin101001010110011101…
…000110101010110111
311020121022200221222220
4221112131012222313
51211412414034111
632221441053423
73131163663066
oct512635065267
9136538627886
1044400143031
11179147a5692
128731627273
1342578656aa
142212b221dd
15124ce4ce06
hexa56746ab7

44400143031 has 8 divisors (see below), whose sum is σ = 59241108864. Its totient is φ = 29579636280.

The previous prime is 44400143009. The next prime is 44400143071. The reversal of 44400143031 is 13034100444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44400143031 - 25 = 44400142999 is a prime.

It is a super-2 number, since 2×444001430312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44400142992 and 44400143010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44400143071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5109705 + ... + 5118386.

It is an arithmetic number, because the mean of its divisors is an integer number (7405138608).

Almost surely, 244400143031 is an apocalyptic number.

44400143031 is a deficient number, since it is larger than the sum of its proper divisors (14840965833).

44400143031 is a wasteful number, since it uses less digits than its factorization.

44400143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229541.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 44400143031 its reverse (13034100444), we get a palindrome (57434243475).

The spelling of 44400143031 in words is "forty-four billion, four hundred million, one hundred forty-three thousand, thirty-one".

Divisors: 1 3 1447 4341 10228091 30684273 14800047677 44400143031